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Module 4 of 11 12 min

Building Credit from Scratch

Safe ways to start a credit history.

Course lessons

Step 1

The lesson

Good credit makes renting, buying a car, and even some job and insurance applications easier. Building it takes time, so starting carefully in your late teens pays off.

Under federal law, if you're under 21 you generally need your own independent income or a co-signer to get a credit card.

  • Secured card: you put down a deposit (say, $200) that becomes your limit. Use it like a regular card.
  • Student card: designed for students with little history.
  • Authorized user: a parent adds you to their well-managed card, and its history can help yours.
  • Credit-builder loan: offered by many credit unions; you make payments into savings, then get the money at the end.
  1. Put a small bill on the cardLike a phone bill or gas.
  2. Set up autopay for the full statement balanceNever late, never interest.
  3. Keep utilization lowWell under 30% of the limit.
  4. Be patientDon't open lots of accounts. Time builds scores.

Step 2

See it

A simple first-year credit plan

Open one starter card, put one small bill on it, pay the full balance automatically every month, and after about a year consider a regular card or a limit increase.

One starter card

Secured or student

One small bill

Phone, streaming, or gas

Autopay in full

Every month

After ~a year

Consider a regular card

Step 3

Real-world example

Leo's first 12 months

  • Month 1: Leo, 18, opens a secured card with a $300 deposit. He puts his $35 phone bill on it.
  • Every month: autopay pays the full statement balance. Utilization stays around 12%.
  • Month 12: He has a year of perfect on-time payments. The issuer offers to return his deposit and convert it to a regular card.

Leo never paid a dollar of interest — and he'll be ready when it's time to rent an apartment.

Step 4

Knowledge check

Answer each question, then check your answer to see the explanation. Retake it as many times as you like.

Question 1 of 3

ScenarioYou're 19, with a part-time job, and no credit history.Which is the safest first step?

Choose an answer.

Step 5

Summary

Start credit with one secured or student card, being an authorized user, or a credit-builder loan. Under 21, you need independent income or a co-signer for a card. Put a small bill on it, autopay the full balance, keep utilization low, and let time do the rest.

Step 6

What you should remember

  • Under 21: independent income or a co-signer for a card.
  • Secured cards, student cards, authorized user, credit-builder loans.
  • One small bill + autopay in full.
  • Low utilization and patience build scores.

Finished the lesson?

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